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题名: The Effect of Preparation Procedure on the Performance of Pd-SiW12/SiO2 Catalysts for the Direct Oxidation of Ethylene to Acetic Acid
作者: Xu Shuliang1, 2;  Chu Wenling1;  Yang Weishen1
关键词: preparation procedure ;  palladium ;  silicotungstic acid ;  silica ;  ethylene oxidation ;  acetic acid
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2010-11-01
DOI: 10.1016/S1872-2067(10)60123-4
卷: 31, 期:11, 页:1342-1346
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: Pd-SiW12/SiO2 catalysts were investigated to elucidate the effect of preparation procedure on the direct oxidation of ethylene to acetic acid. Pd-SiW12/SiO2 catalysts with a fixed amount of Pd and SiW12 were prepared in various ways. The order in which Pd and SiW12 were loaded on the SiO2 support and the treatment conditions for the supported Pd have a significant influence on the dispersion of Pd on the Pd-SiW12/SiO2 catalysts, but no influence on the concentration of B acid sites. The Pd-SiW12/SiO2 catalyst prepared by simultaneously loading Pd and SiW12 on the SiO2 support showed the best catalytic activity. The dispersion of Pd was the main factor in the catalytic activity.
关键词[WOS]: SKELETAL ISOMERIZATION ;  SELECTIVE OXIDATION ;  VAPOR-PHASE ;  N-HEPTANE ;  ETHENE ;  PD-H4SIW12O40/SIO2 ;  PD/WO3-ZRO2 ;  PALLADIUM ;  ZIRCONIA ;  WATER
语种: 英语
WOS记录号: WOS:000287274100006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142179
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Natl Engn Lab Methanol Olefins, Dalian 116023, Liaoning, Peoples R China

Recommended Citation:
Xu Shuliang,Chu Wenling,Yang Weishen. The Effect of Preparation Procedure on the Performance of Pd-SiW12/SiO2 Catalysts for the Direct Oxidation of Ethylene to Acetic Acid[J]. CHINESE JOURNAL OF CATALYSIS,2010,31(11):1342-1346.
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